5-Fluoro-4-methoxy-3-nitro-2-(trifluoromethoxy)pyridine
3-Fluoro-4-methoxy-2-nitro-5-(trifluoromethoxy)pyridine
Methyl 2-cyano-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylate
3-Fluoro-2-methoxy-5-nitro-6-(trifluoromethoxy)pyridine
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